The DBIS2002990301A from Qotana is a RF & Microwave Isolator with Frequency 2.99 to 3.01 GHz, Average Power Forward 100 W, Average Power Reverse 50 W, Peak Power Forward 5 kW, Insertion Loss 0.25 to 0.3 dB. Tags: Module with Connector, Coaxial Isolator. More details for DBIS2002990301A can be seen below.